Povidone-iodine and the Normal Saline Cleaning the Incision for the SSIs

Inclusion Criteria:

1. Preoperative endoscopy and biopsy confirmed gastric adenocarcinoma, and predictively feasible of conventional open total gastrectomy or subtotal gastrectomy;
2. Predictively resectable diseases, of preoperative staging JGCA 14th Edition cT1N0M0-T4aN+M0, Ia-IIIc stage
3. Age：≤75 years, or ≥18 years;
4. Without serious disease and malignance disease;
5. WHO performance score ≤2, ASA score ≤3;
6. No limit to sexual and race;
7. Informed consent required.

Exclusion Criteria:

1. Emergence operation, because of obstruction, perforate, acute hemorrhage and et al;
2. Patients with laparoscopic or laparoscopic-assisted gastrectomy
3. Patients with other severe complications cannot tolerate surgery: such as severe heart and lung diseases, heart function below clinical stage 2, uncontrollable hypertension, pulmonary infection, moderate to severe COPD, chronic bronchitis, severe diabetes and / or renal insufficiency, severe hepatitis and / or function below the rank of CHILD B grade, and severe malnutrition, etc;
4. Patients treated with neoadjuvant chemotherapy or radiation therapy which might affect the efficacy observation;
5. Severity mental diseases;
6. Primary lesion cannot be resected in the pattern of transabdominal gastrectomy, but for Whipple's procedure, or with a transthoracic approach surgery;
7. After signature the Clinical trial agreement, patients and their agent will quit the trial.